A circle is a locus of a point that moves in such a way that its distance from a fixed point is always constant. The fixed point is called the center of the circle.

The line segment joining any two points on a circle is called a chord of the circle.

A chord of a circle passing through its center is called the diameter of the circle. It is the largest chord of a circle. Also, Diameter = 2 x Radius

## Circle PDF

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